Note 18 - Quarterly Financial Information (Unaudited, Presented Without Effect to Assets Available for Sale) - Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Revenues, Total	$ 26,537	$ 33,862	$ 39,508	$ 39,564	$ 42,724	$ 62,729	$ 61,316	$ 53,775	$ 65,905	$ 134,407	$ 125,751
Gross profit	11,176	17,116	18,820	18,624	21,401	30,995	29,582	24,001	24,459	55,471	54,523
(Loss) income from operations	(70,019)	(18,884)	(10,954)	(13,377)	(7,163)	2,169	(313)	(6,015)	(117,348)	(27,095)	(25,924)
Net (loss) income	$ (73,421)	$ (19,084)	$ (12,677)	$ (14,859)	$ (8,716)	$ 221	$ (1,722)	$ (8,098)	$ (120,041)	$ (18,315)	$ 158
Basic net (loss) income per share (in dollars per share)	$ (1.91)	$ (0.49)	$ (0.33)	$ (0.39)	$ (0.23)	$ 0.01	$ (0.05)	$ (0.22)	$ (3.12)	$ (0.49)	$ 0
Diluted net (loss) income per share (in dollars per share)	$ (1.91)	$ (0.49)	$ (0.33)	$ (0.39)	$ (0.23)	$ 0.01	$ (0.05)	$ (0.22)	$ (3.12)	$ (0.49)	$ 0